package com.alphawallet.app.util;

import java.io.BufferedReader;
import java.io.File;
import java.io.InputStreamReader;

/** @author Kevin Kowalewski */
public class RootUtil {
	public static boolean isDeviceRooted() {
		return checkRootMethod1() || checkRootMethod2() || checkRootMethod3();
	}

	private static boolean checkRootMethod1() {
		String buildTags = android.os.Build.TAGS;
		return buildTags != null && buildTags.contains("test-keys");
	}

	private static boolean checkRootMethod2() {
		String[] paths = { "/system/app/Superuser.apk", "/sbin/su", "/system/bin/su", "/system/xbin/su", "/data/local/xbin/su", "/data/local/bin/su", "/system/sd/xbin/su",
				"/system/bin/failsafe/su", "/data/local/su", "/su/bin/su"};
		for (String path : paths) {
			if (new File(path).exists()) {
				return true;
			}
		}
		return false;
	}

	private static boolean checkRootMethod3() {
		Process process = null;
		try {
			process = Runtime.getRuntime().exec(new String[] { "/system/xbin/which", "su" });
			BufferedReader in = new BufferedReader(new InputStreamReader(process.getInputStream()));
            return in.readLine() != null;
        } catch (Throwable t) {
			return false;
		} finally {
			if (process != null) process.destroy();
		}
	}
}